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High severity8.1NVD Advisory· Published Jun 24, 2021· Updated Jun 17, 2026

CVE-2021-28800

CVE-2021-28800

Description

A command injection vulnerability has been reported to affect QNAP NAS running legacy versions of QTS. If exploited, this vulnerability allows attackers to execute arbitrary commands in a compromised application. This issue affects: QNAP Systems Inc. QTS versions prior to 4.3.6.1663 Build 20210504; versions prior to 4.3.3.1624 Build 20210416. This issue does not affect: QNAP Systems Inc. QTS 4.5.3. QNAP Systems Inc. QuTS hero h4.5.3. QNAP Systems Inc. QuTScloud c4.5.5.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

5
  • Qnap/Qts
    cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
    Range: <4.3.3.1624
  • QNAP Systems Inc./QTSllm-fuzzy
    Range: <4.3.6.1663 Build 20210504, <4.3.3.1624 Build 20210416
  • QNAP Systems Inc./QTSv5
    Range: unspecified
  • QNAP Systems Inc./QuTS herov5
    Range: h4.5.3
  • QNAP Systems Inc./QuTScloudv5
    Range: c4.5.5

Patches

Vulnerability mechanics

References

1

News mentions

0

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